";
$content .= $current_adress. "\n";
}
}
}
closedir($dir);
return $content;
}
# Paul's Simple Diff Algorithm v 0.1 : http://paulbutler.org/archives/a-simple-diff-algorithm-in-php/
function diff($old, $new){
$matrix = array();
$maxlen = 0;
foreach($old as $oindex => $ovalue){
$nkeys = array_keys($new, $ovalue);
foreach($nkeys as $nindex){
$matrix[$oindex][$nindex] = isset($matrix[$oindex - 1][$nindex - 1]) ?
$matrix[$oindex - 1][$nindex - 1] + 1 : 1;
if($matrix[$oindex][$nindex] > $maxlen){
$maxlen = $matrix[$oindex][$nindex];
$omax = $oindex + 1 - $maxlen;
$nmax = $nindex + 1 - $maxlen;
}
}
}
if($maxlen == 0) return array(array('d'=>$old, 'i'=>$new));
return array_merge(
diff(array_slice($old, 0, $omax), array_slice($new, 0, $nmax)),
array_slice($new, $nmax, $maxlen),
diff(array_slice($old, $omax + $maxlen), array_slice($new, $nmax + $maxlen)));
}
function print_array($array_to_display) {
echo '';
print_r($array_to_display);
echo '
';
}
/*===================*/
/*Variables*/
/*===================*/
require("config.php");
#$content = "";
$old_files_list = "db_old_files"; //list of files in ./photos
$new_files_list = "new_files_list";
$db_feed_source = "db_feed_source";
$Folder = 'photos';
$content = ListFiles($gallery_link, $content, $Folder, $SkipExts, $SkipObjects);
$to_store = "";
// Init files
if (!file_exists($old_files_list))
file_put_contents($old_files_list, "");
if (!file_exists($db_feed_source))
file_put_contents($db_feed_source, "");
/*===================*/
/*Computing*/
/*===================*/
#Todo : ajouter une condition : dois-je regénérer le flux ou utiliser les anciens fichiers ?
// Load the list from files.
$old_files_list_content = explode("\n", file_get_contents($old_files_list));
$new_files_list_content = explode("\n", $content); #debug
// Generate and stock new elements
$differences = diff($old_files_list_content, $new_files_list_content);
for ($i=0; $i < count($differences); $i++) {
if (is_array($differences[$i])){
for ($j=0; $j < count($differences[$i]["i"]); $j++) {
if (strlen($differences[$i]["i"][$j]) > 2)
$to_store .= $differences[$i]["i"][$j] . "\n";
}
}
}
//Add new elements at the top of the feed's source
$temp = file_get_contents($db_feed_source);
$temp = $to_store . $temp;
file_put_contents($db_feed_source, $temp);
// Store the current file list for the next generation
file_put_contents($old_files_list, $content);
/*===================*/
/*XML Gen*/
/*===================*/
$temp = explode("\n", $temp);
echo "
".$title."
".$gallery_link."
".$description."
";
for ($i=0; $i <= $nb_items_rss; $i++) {
echo
"-
" . $temp[$i] . "
". $temp[$i] . "
]]>
"
;
}
echo"
";
?>